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TLS Online TPP Program
#Question id: 2530
#Unit 2. Cellular Organization
A thin layer called the middle lamella is found at the interface, middle lamella is typically enriched with acidic polysaccharides_____A______, which may be complexed with_______B__________.
TLS Online TPP Program
#Question id: 4220
#Unit 3. Fundamental Processes
A particular triplet of bases in the template strand of DNA is 5′-AGT-3′. What would be the corresponding codon for the mRNA that is transcribed?
TLS Online TPP Program
#Question id: 10257
#Unit 1. Molecules and their Interaction Relevant to Biology
Lattice energy is inversely proportional to sum of radii of
TLS Online TPP Program
#Question id: 27685
#Unit 10. Ecological Principles
Two different species can share the same niche, and survive together then these organisms undergo,
TLS Online TPP Program
#Question id: 15657
#Unit 13. Methods in Biology
You are studying a new strain of E. coli that can utilize the disaccharide melibiose very efficiently. You find that utilization depends on the enzyme melibiase, which is encoded by the gene Mel1. Mel1 is not expressed unless melibiose is present in the growth medium.
You next construct a MelA– MelB– double mutant, which gives the following behavior:
Which of your two models is consistent with this new data?
a) the MelA- MelB- double mutant is identical to the MelB- mutant
b) MelA- is epistatic to MelB-
c) MelB- is epistatic to MelA-
d) the MelA- MelB- double mutant is identical to the MelA- mutant
Which of the following is the correct prediction about the double mutants?